tvstacConfusable pair

Quick tell: t is a abbrev, tac is a noun, so they fill different roles in a sentence.

Which to use

“t” is an abbrev and “tac” is a noun - they look or sound alike but fill different roles in a sentence.

#559
“t” frequency rank
#40,239
“tac” frequency rank
40798
confusion score

Side-by-Side Comparison

Feature t tac
Definition Abkürzung für die Maßeinheit Tonne der Dübel (Fischerdübel nach dem Erfinder Artur Fischer), der Zapfen

Where the eye mixes t and tac

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

1 ch
t
3 ch
tac

Look-alike desk: t vs tac

These two trip readers on the page rather than in the ear: t is [teː] while tac is [tak]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “t” sits inside “tac”, and the parts of speech differ too (abbrev vs noun), which is usually the fastest check. Our composite confusion score for this pair is 40798, derived from the frequency rank of both members and their visual similarity.

t is recorded at frequency rank #559, classified as anabbrev, pronounced [teː]. tac is at rank #40,239, tagged as anoun, pronounced [tak].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 40798, this pair ranks #1,497,987 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of t vs tac

Shared letters: t. Private to "t": -. Private to "tac": ac.

"t" · 1 letters · shape C  ·  "tac" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "t" for "tac" ever safe?
No - they are not even the same part of speech. "t" is an abbrev and "tac" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "t" or "tac" show up more?
"t" is the more common of the two: it sits at frequency rank #559 in our German list, against #40,239 for "tac". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "t" and "tac" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "t" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tac" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,497,987 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "t" and "tac" also get mixed up with nearby pairs, the highest-scored neighbour is "tac vs taut". Nearby pair

Confusion rank #1,497,987 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list